diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-04 01:27:13 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-04 01:27:13 +0000 |
| commit | e28409d80b65da73cd9fa4d5564bdb8cf3b2d991 (patch) | |
| tree | 315739168e0dfbe486a5e88452a9c13a32230ae9 /util | |
| parent | 7d6f1a6b30db7956fac1261acb6b742895bf506d (diff) | |
util/nvmutil: handle error after check_read_or_die
we already exit reliably in that function. the current code
is logically correct, but very weak against future changes.
this extra check is essentially redundant, but prevantative
against future changes.
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index bff8bab0..6cb11d55 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -301,6 +301,8 @@ read_gbe_part(int p, int invert) if (errno) err(errno, "Unhandled error on read of file '%s'", fname); + if (rval != (ssize_t) SIZE_4KB) + err(ECANCELED, "Unknown error on read of file '%s'", fname); swap(p ^ invert); /* handle big-endian host CPU */ } @@ -426,6 +428,8 @@ read_urandom(uint8_t *rnum, size_t rsize) if (errno) err(errno, "Unhandled error on read of file '/dev/urandom'"); + if (rval != (ssize_t) rsize) + err(ECANCELED, "Unknown error on read of file '/dev/urandom'"); } static int |